Oracle 10.2.0.5 非归档current redolog损坏处理一例
操作系統(tǒng): RHEL5.8 x64
數(shù)據(jù)庫? : Oracle 10.2.0.5.0
故障情況:
一臺單機曙光PC服務(wù)器4塊300G SAS盤，RAID5壞兩塊磁盤（服務(wù)器面板無故障提示，無人發(fā)現(xiàn)），造成RAID5磁盤陣列掛掉，操作系統(tǒng)當機，系統(tǒng)無法啟動。經(jīng)過數(shù)據(jù)恢復(fù)公司將磁盤數(shù)據(jù)恢復(fù)后，重新恢復(fù)數(shù)據(jù)文件，啟動數(shù)據(jù)庫時發(fā)現(xiàn)如下錯誤提示：
1. 數(shù)據(jù)庫警告日志
tail -f alert_orcl.log
Database mounted in Exclusive Mode
Completed: ALTER DATABASE?? MOUNT
Sat Sep 16 02:32:44 CST 2017
ALTER DATABASE OPEN
Sat Sep 16 02:32:44 CST 2017
Beginning crash recovery of 1 threads
?parallel recovery started with 2 processes
Sat Sep 16 02:32:44 CST 2017
Started redo scan
Sat Sep 16 02:32:44 CST 2017
Errors in file /u01/app/oracle/admin/orcl/udump/orcl_ora_27990.trc:
ORA-00313: open failed for members of log group 3 of thread 1
ORA-00312: online log 3 thread 1: '/u01/app/oracle/oradata/orcl/redo03.log'
ORA-27046: file size is not a multiple of logical block size
Additional information: 1
Sat Sep 16 02:32:44 CST 2017
Aborting crash recovery due to error 313
Sat Sep 16 02:32:44 CST 2017
Errors in file /u01/app/oracle/admin/orcl/udump/orcl_ora_27990.trc:
ORA-00313: open failed for members of log group 3 of thread 1
ORA-00312: online log 3 thread 1: '/u01/app/oracle/oradata/orcl/redo03.log'
ORA-27046: file size is not a multiple of logical block size
Additional information: 1
ORA-313 signalled during: ALTER DATABASE OPEN...
2. 啟動時提示
[oracle@tcdb ~]$ sqlplus / as sysdba;
SQL*Plus: Release 10.2.0.5.0 - Production on 6 02:28:33 2017
Copyright (c) 1982, 2010, Oracle.? All Rights Reserved.
Connected to an idle instance.
SQL> startup;
ORACLE instance started.
Total System Global Area 1610612736 bytes
Fixed Size????????????????? 2096632 bytes
Variable Size???????????? 553648648 bytes
Database Buffers???????? 1040187392 bytes
Redo Buffers?????????????? 14680064 bytes
Database mounted.
ORA-00313: open failed for members of log group 3 of thread 1
ORA-00312: online log 3 thread 1: '/u01/app/oracle/oradata/orcl/redo03.log'
ORA-27046: file size is not a multiple of logical block size
Additional information: 1
SQL>
根據(jù)情況是數(shù)據(jù)庫非規(guī)檔，redo文件損壞，故障時早上7點時間。
SQL> select open_mode from v$database;
OPEN_MODE
----------
MOUNTED
SQL> set pagesize 999;
SQL> set linesize 200;
SQL> alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';
Session altered.
SQL> select * from v$log;
??? GROUP#??? THREAD#? SEQUENCE#????? BYTES??? MEMBERS ARC STATUS?????????? FIRST_CHANGE# FIRST_TIME
---------- ---------- ---------- ---------- ---------- --- ---------------- ------------- -------------------
???????? 1????????? 1?????? 3406?? 52428800????????? 1 NO? INACTIVE???????????? 187001363 2017-08-20 07:02:30
???????? 3????????? 1?????? 3408?? 52428800????????? 1 NO? CURRENT????????????? 187084379 2017-08-21 07:03:24
???????? 2????????? 1?????? 3407?? 52428800????????? 1 NO? INACTIVE???????????? 187044837 2017-08-20 19:40:06
當前日志損壞
SQL>
SQL> create pfile from spfile;
File created.
在pfile中加入隱含參數(shù)：
*._allow_resetlogs_corruption=true
*._allow_error_simulation=true
SQL> startup mount pfile='/u01/app/oracle/product/10.2.0/db_1/dbs/initorcl.ora'
ORACLE instance started.
Total System Global Area 1610612736 bytes
Fixed Size????????????????? 2096632 bytes
Variable Size???????????? 553648648 bytes
Database Buffers???????? 1040187392 bytes
Redo Buffers?????????????? 14680064 bytes
Database mounted.
再次嘗試resetlogs打開數(shù)據(jù)庫
SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-01139: RESETLOGS option only valid after an incomplete database recovery
SQL> recover database until cancel;
ORA-00279: change 187084379 generated at 08/21/2017 07:03:24 needed for thread 1
ORA-00289: suggestion : /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2017_10_18/o1_mf_1_3408_%u_.arc
ORA-00280: change 187084379 for thread 1 is in sequence #3408
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
auto
ORA-00308: cannot open archived log '/u01/app/oracle/flash_recovery_area/ORCL/archivelog/2017_10_18/o1_mf_1_3408_%u_.arc'
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-00308: cannot open archived log '/u01/app/oracle/flash_recovery_area/ORCL/archivelog/2017_10_18/o1_mf_1_3408_%u_.arc'
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: '/u01/app/oracle/oradata/orcl/system01.dbf'
SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-00603: ORACLE server session terminated by fatal error
alter日志報如下錯誤：
Wed Oct 18 03:06:38 CST 2017
Errors in file /u01/app/oracle/admin/orcl/udump/orcl_ora_18057.trc:
ORA-00600: internal error code, arguments: [2662], [0], [187086068], [0], [187092671], [8388617], [], []
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00600: internal error code, arguments: [2662], [0], [187086066], [0], [187092671], [8388617], [], []
Wed Oct 18 03:06:39 CST 2017
Errors in file /u01/app/oracle/admin/orcl/udump/orcl_ora_18057.trc:
ORA-00600: internal error code, arguments: [2662], [0], [187086069], [0], [187092671], [8388617], [], []
ORA-00600: internal error code, arguments: [2662], [0], [187086068], [0], [187092671], [8388617], [], []
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00600: internal error code, arguments: [2662], [0], [187086066], [0], [187092671], [8388617], [], []
Wed Oct 18 03:06:40 CST 2017
Errors in file /u01/app/oracle/admin/orcl/udump/orcl_ora_18057.trc:
ORA-00600: internal error code, arguments: [2662], [0], [187086069], [0], [187092671], [8388617], [], []
ORA-00600: internal error code, arguments: [2662], [0], [187086068], [0], [187092671], [8388617], [], []
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00600: internal error code, arguments: [2662], [0], [187086066], [0], [187092671], [8388617], [], []
[2662]需要推進SCN，使SCN到一致的狀態(tài)。
SQL> conn /as sysdba
Connected to an idle instance.
SQL>? startup mount pfile='/u01/app/oracle/product/10.2.0/db_1/dbs/initorcl.ora';
ORACLE instance started.
Total System Global Area? 167772160 bytes
Fixed Size????????????????? 1272600 bytes
Variable Size????????????? 96470248 bytes
Database Buffers?????????? 67108864 bytes
Redo Buffers??????????????? 2920448 bytes
Database mounted.
SQL> alter session set events '10015 trace name adjust_scn level 1';
Session altered.
SQL> alter database open;
Database altered.
注：之后要去掉兩個參數(shù)，create spfile from pfile;
數(shù)據(jù)庫正常啟動，當前redo日志損壞，理論上會造成數(shù)據(jù)丟失，考慮到早7點，應(yīng)用未有業(yè)務(wù)數(shù)據(jù)產(chǎn)生，觀察應(yīng)用以及測試功能正常，故未對數(shù)據(jù)庫進行邏輯重建。
轉(zhuǎn)載于:https://blog.51cto.com/koumm/1973695
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